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Comparison of Forming force on forward and Backward Flow Forming for Combustion Chamber  

Nam, Kyoun-Go (충남대학교 기계공학과)
Cho, Cheon-Hwey ((주) ACT)
Hong, Sung-In (충남대학교 기계공학과 BK21 메카트로닉스 사업단)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.10, no.4, 2006 , pp. 34-39 More about this Journal
Abstract
The flow forming has been used to produce long thin walled tube parts, with reduced forming force and enhanced mechanical for a good finished part, compared with other method formed parts. Especially, the flow forming is suitable for making high precision thin walled cylinders, such as rocket motor cases, combustion chamber, hydraulic cylinders and high-pressure vessels and so on. In this paper, finite element analysis of three-roller forward and backward flow forming for combustion chamber is carried out to study effects of forming depth and feed rate on forming force. The axial and radial forming forces of forward flow forming on several forming depth and feed rate conditions are compared with those of backward flow forming.
Keywords
Flow Forming; Forming Force; Combustion Chamber; Finite Element Analysis; Forming Depth; Feed Rate;
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